Robot neck



FIG. 1 is a perspective view of a robot neck.

FIG. 2 is a front view of the robot neck.

FIG. 3 is a back view of the robot neck.

FIG. 4 is a top view of the robot neck.

FIG. 5 is a bottom view of the robot neck.

FIG. 6 is a left view of the robot neck; and,

FIG. 7 is a right view of the robot neck.

The broken line showing of portions of the robot neck forms no part of the claimed design. 

CLAIM The ornamental design for a robot neck, as shown and described. 